| /******************************************************************************* |
| * Copyright (c) 2014 TwelveTone LLC and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Steven Spungin <steven@spungin.tv> - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.e4.tools.emf.ui.internal.common.resourcelocator.dialogs; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.e4.tools.emf.ui.internal.common.component.tabs.empty.E; |
| import org.eclipse.jface.wizard.IWizardPage; |
| import org.eclipse.jface.wizard.Wizard; |
| import org.eclipse.jface.wizard.WizardPage; |
| |
| /** |
| * Adds features for wizards with dynamic pages. The <em>pages</em> member is |
| * private in the base class... |
| * |
| * @author Steven Spungin |
| * |
| */ |
| public class DynamicWizard extends Wizard { |
| |
| protected ArrayList<IWizardPage> pages = new ArrayList<>(); |
| private String message; |
| |
| public DynamicWizard() { |
| setForcePreviousAndNextButtons(true); |
| } |
| |
| @Override |
| public boolean performFinish() { |
| return true; |
| } |
| |
| @Override |
| public boolean canFinish() { |
| |
| final IWizardPage cur = getContainer().getCurrentPage(); |
| final IWizardPage nextPage = getNextPage(cur); |
| |
| // We need to call get next page first, as that may add or remove pages |
| for (final IWizardPage page : pages) { |
| if (page.isPageComplete() == false) { |
| return false; |
| } |
| } |
| return nextPage == null; |
| } |
| |
| @Override |
| public void addPage(IWizardPage page) { |
| page.setWizard(this); |
| pages.add(page); |
| |
| // Only add the first page to the base class |
| if (super.getPageCount() == 0) { |
| super.addPage(page); |
| updateMessage(); |
| } |
| |
| } |
| |
| /** |
| * Override the message on the first page if specified |
| * |
| * @param page |
| */ |
| private void updateMessage() { |
| if (E.notEmpty(message) && pages.size() > 0) { |
| // TODO file bug: IWizardPage is missing the setMessage method! |
| final IWizardPage page = pages.get(0); |
| if (page instanceof WizardPage) { |
| final WizardPage wizPage = (WizardPage) page; |
| wizPage.setMessage(message); |
| } |
| } |
| } |
| |
| @Override |
| public IWizardPage getPreviousPage(IWizardPage page) { |
| final IWizardPage cur = getContainer().getCurrentPage(); |
| final int index = pages.indexOf(cur); |
| if (index > 0) { |
| return pages.get(index - 1); |
| } |
| return null; |
| } |
| |
| @Override |
| public IWizardPage getNextPage(IWizardPage page) { |
| final int index = pages.indexOf(page); |
| if (index < pages.size() - 1) { |
| return pages.get(index + 1); |
| } |
| return null; |
| } |
| |
| public void clearDynamicPages() { |
| while (pages.size() > 1) { |
| pages.remove(pages.size() - 1); |
| } |
| |
| } |
| |
| /** |
| * Overrides the message of the first page if not <em>empty</em> |
| * |
| * @param message |
| */ |
| public void setMessage(String message) { |
| this.message = message; |
| updateMessage(); |
| } |
| |
| } |